OBD-II code · Powertrain (generic)

P07F1 Input/Turbine Shaft Speed Sensor C Circuit

General electrical fault on input/turbine speed sensor C — third input speed sensor in heavy-duty or hybrid-coupled transmissions.

Is it safe to drive with P07F1?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyOpen or shorted wiring

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.6–2.5 h
Emissions test
Usually unaffected
Parts involved
Input Shaft Speed Sensor C, Sensor Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.